How to Remove Mildew from Sheetrock

Mildew is unsightly and potentially harmful, but also relatively easy to get rid of.


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You Will Need

  • Bleach
  • Non-ammonia laundry detergent
  • 2 gallons warm water
  • Two buckets
  • Rubber gloves
  • Eye protection
  • A face mask
  • A scrub brush
  • Clean water
  • Rags
  • A long-sleeved shirt (optional)


  1. Prolonged exposure to mildew is harmful to your respiratory health. Always work in a well-ventilated area.

  2. Step 1

    Remove moisture

    Remove the source of moisture that is feeding the mildew. Mildew can't survive in a completely arid environment.

  3. Step 2

    Mix solution

    Mix the bleach and laundry detergent with the warm water in the bucket.

  4. Step 3

    Suit up

    Put on the gloves, your eye protection, and your face mask.

  5. Wear a long-sleeved shirt to protect your arms.

  6. Step 4

    Commence scrubbing

    Dip your brush in the cleaning solution, and scrub the wall.

  7. Scrub gently, in long strokes, so as not to damage the paint.

  8. Step 5


    Use the rag with a bucket of clean water to rinse off the cleaning solution.

  9. Step 6

    Let dry

    Allow the wall to dry, either by wiping it with a dry rag or letting it air dry.

  10. Sheetrock was introduced in 1916 by the United States Gypsum Company.